quicksilver vs weathery

quicksilver

adj
  • Unpredictable, erratic or fickle; mercurial. 

verb
  • To overlay with quicksilver. 

  • To treat with quicksilver. 

noun
  • The metal mercury. 

  • An amalgam of mercury and tin applied to the backs of mirrors, quicksilvering. 

weathery

adj
  • Subject to frequent changes (of direction or fortune, for example). 

  • Lacking in flavour as a result of the leaves having been harvested during mid-season rains. 

  • Accompanied by or featuring wind and/or precipitation. 

  • Worn or otherwise affected by weather; (of a person's features or body) showing signs of age or wear. 

How often have the words quicksilver and weathery occurred in a corpus of books? (source: Google Ngram Viewer )